Tips for Choosing the Best Purging Compound

In the world of plastic processing, time is money. But how do you do smooth material changes, prevent contamination and minimize downtime? The answer lies in choosing the right Purging Compound for your application. With so many to choose from, you need to know what works for your equipment, resins and operation. 

Why Does Choosing the Right Purging Compound Matter?

Not all Purging Material are created equal. Using the wrong one can mean incomplete cleaning, excessive waste and higher production costs. The right one will reduce resin contamination, carbon buildup and machine downtime and improve efficiency and product quality.

So how do you choose the right Purging Compound for your process? Let’s break it down.

Consider Your Processing Equipment

Different Machines require different Purging Solutions. Are you processing injection molding, extrusion or blow molding? Each process has its own challenges.

• Injection Molding Machines – A high flow Purging Compound is best for clearing out residual material in screws, barrels and hot runners.

• Extruders – Since these runs continuously, a Purging Compound that works at process temps is necessary to avoid shutdowns.

• Blow Molding Machines – Look for a Purging Material that removes contaminants from dies and heads without waste.

Match the Purging Compound to Your Resin

The effectiveness of a Purging Compound is dependent on its compatibility with the resin you are processing.

• For high temp resins (like PEEK or polycarbonate) you need a heat-resistant Purging Material that won’t degrade under extreme conditions.

• For color changes choose a compound with strong scrubbing action to eliminate pigment carryover.

• For sensitive resins a non-abrasive Purging Compound ensures no damage to machine components.

Mechanical vs Chemical Purging Compounds

Purging Compounds come in two forms:

• Mechanical Purging Compounds – These work by physically pushing old material out of the system. Best for routine maintenance and quick material changes.

• Chemical Purging Compounds – These contain active ingredients that break down residues and carbon buildup. Best for deep cleaning and removing stubborn contaminants

Not sure which one to choose? Why not try a Purging Compounds Free Sample from UNICLEANPLUS™? Test different formulations to see what works best for you.

Cost and Environmental Impact

While Some Purging Compounds may seem expensive upfront, they often pay for themselves in the long run by reducing scrap rates, minimizing downtime and extending machine life. Look for eco-friendly Purging Materials that are non-toxic and produce minimal waste.

Conclusion

Choosing the right Purging Compound is key to smooth and cost-effective operations. By considering your equipment, resin type and cleaning needs you can optimize efficiency and reduce waste.

Want to find the perfect Purging Compound for your setup? UNICLEANPLUS™ offers Purging Compounds Free Sample so you can test before you buy. Request yours today!